.bottom-nav{
    width: 100%;
    height: 50px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0px;
    box-shadow: 0px 1px 3px ;
    background-color: #fff;
    z-index: 100;
}
.bottom-nav >li a{
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.bottom-nav >li span{
    width: 100%;
    text-align: center;
    font-size: 20px;
}
.bottom-nav >li span:nth-child(2){
    margin-top: 5px;
    font-size: 12px;
    font-weight: bold;
}